Home / 768,874.97-1,061,043.23-424,734.59

Finding the Fourth Proportional to 768,874.97, 1,061,043.23 and 424,734.59

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Solution

The fourth proportional to 768,874.97, 1,061,043.23 and 424,734.59 is: 586,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,874.97 : 1,061,043.23 = 424,734.59 : x
  2. Step 2: Convert to fraction form
    768,874.97/1,061,043.23 = 424,734.59/x
  3. Step 3: Cross multiply
    768,874.97x = 1,061,043.23 × 424,734.59
  4. Step 4: Simplify right side
    768,874.97x = 450,661,757,022.95
  5. Step 5: Solve for x
    x = 450,661,757,022.95/768,874.97
  6. Step 6: Final answer
    x = 586,131.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.